#16 What is Legionella and how is it controlled in DHW systems? (with Kevin Freidt) Artwork

Ask Caleffi

Welcome to the Ask Caleffi podcast series featuring our tech support wizards, Greg Tubbs and Dan Firkus! They will discuss tricky heating and plumbing system problems they are tasked with solving daily and share insights from the field to help contractors discover the best way to work through tough jobs. Count on this dynamic duo to keep the series fun as they mingle in their own entertaining and relatable stories.

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#16 What is Legionella and how is it controlled in DHW systems? (with Kevin Freidt)

June 15, 2021 • Caleffi North America, Inc. • Episode 16

Greg and Dan welcome Kevin Freidt, Caleffi Director Product Management & Technical Support (a..k.a. The Dr. of Disinfection) to the microphone. They explore the fascinating topic of Legionella bacteria and its impact in domestic hot water systems. Kevin starts with "bug basics": where does the bacteria originate, when is it dangerous, what causes it to proliferate and how is it contained? He discusses dead legs in potable water piping systems and explains how water becomes "old." Not familiar with the ASHRAE 188 Standard? Take note! It's an important reference guide. The Ask Caleffi Team completes this podcast with an interesting discussion on how we can ensure safety in our water systems.

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